Math Calculators

  • Ratio Calculator

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    Ratio Calculator

    Use the top section to enter two terms and simplify the ratio to its lowest form, or use the bottom section to fill in three…

  • Log Calculator

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    Log Calculator

    Enter a positive number, choose a preset base (natural log, common log, or binary log) or enter a custom base, and the calculator instantly computes…

  • Quadratic Formula Calculator

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    Quadratic Formula Calculator

    Enter the coefficients a, b, and c of your quadratic equation, and the calculator instantly computes the discriminant to determine whether the roots are real…

  • Half‑Life Calculator

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    Half‑Life Calculator

    Enter the starting quantity, the half-life, and the total time that has passed, each with flexible units. The calculator instantly determines the remaining amount, the…

  • Hex Calculator

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    Hex Calculator

    Enter two hexadecimal numbers (0‑9, A‑F), choose an operation, and the calculator instantly shows the result in hex, decimal, and binary. Division also displays the…

  • Exponent Calculator

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    Exponent Calculator

    Enter a base and an exponent to instantly compute the power. The calculator displays the full result (with comma separators for large numbers), the scientific…

  • Binary Calculator

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    Binary Calculator

    Enter two binary numbers (up to 32 bits), choose an operation, and the calculator instantly computes the result in binary and decimal. Division also shows…

  • Percent Error Calculator

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    Percent Error Calculator

    Enter an experimental (measured) value and a theoretical (accepted) value, and the calculator instantly computes the percent error using the standard formula |experimental – theoretical|…

  • Big Number Calculator

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    Big Number Calculator

    Enter two large integers (up to hundreds of digits), choose an operation like addition or exponentiation, and the calculator instantly returns the exact result using…

  • Scientific Notation Calculator

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    Scientific Notation Calculator

    Enter any number, select the desired number of significant figures, and choose between textbook-style (×10ⁿ) or e‑notation output. The calculator instantly converts the number into…